s = Procedural.KochanekBartelsSpline2():addPoint(0,0)
                                       :addPoint(Procedural.Vector2(1,0),1,0,0)
									   :addPoint(Procedural.Vector2(1,1),-1,0,0)
									   :addPoint(Procedural.Vector2(2,1),0,1,0)
									   :addPoint(Procedural.Vector2(2,0),0,-1,0)
									   :addPoint(Procedural.Vector2(3,0),0,0,1)
									   :addPoint(Procedural.Vector2(3,1),0,0,-1)
									   :addPoint(Procedural.Vector2(4,1))
									   :addPoint(Procedural.Vector2(4,0))
									   :realizeShape():translate(-2,0)
tests:addShape(s)